# mcp-2026-07-28-migration

> mcp-2026-07-28-migration — patchwright-mcp-2026-07-28-migration. Use this tool when you need to migrate MCP servers to the 2026-07-28 spec, solving problems related to updating server architecture and removing deprecated features like sessions. It provides a practical guide with copy-paste code snippets for every breaking change, taking input from existing MCP server configurations and outputting updated code compatible with the new spec. Ideal for use when updating legacy servers to stateless core and server/discover architectures.

Canonical page: https://skillsregistry.net/skills/patchwright-mcp-2026-07-28-migration  
JSON: https://api.skillsregistry.net/v1/skills/patchwright-mcp-2026-07-28-migration

## Description

Practical migration guide: MCP servers to the 2026-07-28 spec — stateless core, server/discover, sessions removed. Copy-paste before/after for every breaking change.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/patchwright/mcp-2026-07-28-migration)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "patchwright-mcp-2026-07-28-migration"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/patchwright-mcp-2026-07-28-migration` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/patchwright-mcp-2026-07-28-migration/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt